Jokes???

Anyone know good knock-knock joke?Jokes???
knock knock
who's there
aged lady
hoary lady who?
i didn't know you could yodel.
Try www.joke.com
Theres some pretty funny things there.
Knock, knock
(who's within?)
Saddam
(Sadam who?)
No Sadam Hussein! Get it right next time of i'll snuff you!!
sorry, no offense to anyone but i love that joke its wayy funny :)
Knock Knock